Different ways to get Oracle Software Release Number/Version Number:

SQL> SELECT version FROM V$INSTANCE;

VERSION
-----------------
12.2.0.1.0

SQL> select BANNER from v$version;

BANNER
--------------------------------------------------------------------------------
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
PL/SQL Release 12.2.0.1.0 - Production
CORE 12.2.0.1.0 Production
TNS for Linux: Version 12.2.0.1.0 - Production
NLSRTL Version 12.2.0.1.0 - Production

SQL> set line 200

col version for a15

col PRODUCT for a50

col STATUS for a20

select * from PRODUCT_COMPONENT_VERSION;

PRODUCT                                  VERSION         STATUS
--------------------------------------- -------------- ----------------------
NLSRTL                                   12.2.0.1.0      Production
Oracle Database 12c Enterprise Edition   12.2.0.1.0      64bit Production
PL/SQL                                   12.2.0.1.0      Production
TNS for Linux:                           12.2.0.1.0      Production

SQL> SET SERVEROUTPUT ON

          BEGIN

          DBMS_OUTPUT.PUT_LINE(DBMS_DB_VERSION.VERSION || ‘.’ || DBMS_DB_VERSION.RELEASE);

          END;

           /

    12.2

PL/SQL procedure successfully completed.

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Also Read Related Links:

1. Oracle 11g New Features

2. Oracle 11g R2 – RAC – Index

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